The Quadrant, 1 William Street

Project Description

The Quadrant is a striking ‘A’ grade office tower located in the heart of Perth’s CBD. The building has recently undergone a major refurbishment including a new lobby, new destination control lifts, new first class end of trip facilities and upgraded tenant services.

Providing tenants with outstanding views over the Swan River and Elizabeth Quay, The Quadrant has immediate access to the Perth bus port and Esplanade train station, and easy access to freeways, Stirling Highway and has direct pedestrian access to Brookfield Place.

Modern End of Trip facilities includes 118 bike racks, 170 pin coded lockers, male and female showers and change rooms.

Tenant and public parking is available in the basement.

The Quadrant has a 4.5 Star NABERS Energy rating & a 4 Star NABERS Water Rating.



Construction Date: 1991
Last Major Refurbishment: 2014
Levels: 20
Typical Floor Plate: 1,097sqm
Total NLA: 23,309sqm
Building Owner: Primewest

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Client Represented


  • endoftrip
  • shower
  • parking
  • cafe
  • transport
  • views



Project Contact

Roly Egerton-Warburton
0420 959 145

Mark Clapham
0409 070 807